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Opto - Technological Laboratory obtained ISO 9001 certificate.

Quality Management System as applied to development, manufacturing and service of optical components out of crystals and glasses, optical systems (including objectives), optical checking and measuring devices corresponds to ISO 9001-2011 (ISO 9001:2008).

Al2O3 sapphire Ge germanium GaAs gallium arsenide Si silicon LiF lithium fluoride
CaF2 calcium fluoride BaF2 barium fluoride MgF2 magnesium fluoride NaCl sodium chloride KCl potassium chloride
KBr potassium bromide ZnSe Sublimate zinc selenide ZnSe CVD zinc selenide ZnS zinc sulfide Quartz Crystalline ( SiO2 )
Zerodur® BK7 Fused Silica UV Grade (SiO2) Fused Silica IR Grade (SiO2)  


CALCIUM FLUORIDE CaF2

Properties
Crystallographic OpticalThermalMechanicalChemical
 
Syngony
Cubic
Symmetry Class
m3m
Lattice Constants, Angstroms
a=5.462  c=a
Cleavability
(111), perfect
Refractive Index at ne
1.4349
Refractive Index at nF'-nC'
0.0043
Refractive Index at n10.6
1.2996
Thermal Coefficient of Refractive Index at l=3.39 microns, -1 
for  +/-60
(-0.95...-1.17) 10-5
Transmission Range, microns (thickness 10)
0.15¸9.0
    Transmittance ti(l) vs. wavelength l
 

 
 Internal Transmittance ti(l) vs. 
wavelength l
CaF2 Calcium Fluoride
l,
ti(l)
0.2
0.87
0.5
0.97
1.0
0.99
3.0
0.99
5.0
0.99
6.0
0.98
7.0
0.97
 8.0
0.88
9.0
0.59
10.0
0.19
 
Refractive Index n vs.
wavelength l
CaF2 Calcium Fluoride
l,
n(l)
0.2
1.4951
0.5
1.4365
1.0
1.4289
2.0
1.4239
3.0
1.4179 
4.0
1.4096 
5.0
1.3990
6.0
1.3856
7.0
1.3693
8.0
1.3498
9.0
1.3268
10.0
1.3002
11.0
1.2676
12.0
1.2299
Thermal Linear Expansion  at, -1 for +/-60
(16.2¸19.4)10-6
Thermal Conductivity, W/(m ) at 36
9.71
Specific Heat Capacity, J/(kg ) at 40
887.6
Thermal Stability,
20+/-2
Melting Point,
1418
Density, g/cm3 at 20 
3.18
Mohs Hardness
4
Vickers Microhardness , Pa
165 107
Constants of Elastic Compliance, Pa-1
S11
6.83 10-12
S12
-1.53 10-12
S44
29.58 10-12
Poisson Ratio
0.216
Young Modulus (), Pa
<100> 
14.61 1010
 <100> 
8.991010
Shear Modulus (G),  Pa
 (100) 
4.761010
 (100) 
3.381010
Solubility CaF2 ( Calcium Fluoride )
in water at 18 g/100cm3
0.0016

"Opto-Technological Laboratory" produces lenses, windows, prisms, wedges, ball lenses, cylindrical lenses, windows for spectrophotometers and others optical components according to customers’ specifications and drawings out of crystals calcium fluoride  ( CaF2 ) .

 

Al2O3 sapphire Ge germanium GaAs gallium arsenide Si silicon LiF lithium fluoride
CaF2 calcium fluoride BaF2 barium fluoride MgF2 magnesium fluoride NaCl sodium chloride KCl potassium chloride
KBr potassium bromide ZnSe Sublimate zinc selenide ZnSe CVD zinc selenide ZnS zinc sulfide Quartz Crystalline ( SiO2 )
Zerodur® BK7 Fused Silica UV Grade (SiO2) Fused Silica IR Grade (SiO2)  

 

  Joint Stock Company "Opto - Technological Laboratory"
  9,Mendeleevskaja ul., Saint-Petersburg, Russia
  E-mail: sales@optotl.ru
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